Home / 1,196,330.82-1,650,878.28-712,885.20

Finding the Fourth Proportional to 1,196,330.82, 1,650,878.28 and 712,885.20

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Solution

The fourth proportional to 1,196,330.82, 1,650,878.28 and 712,885.20 is: 983,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,330.82 : 1,650,878.28 = 712,885.20 : x
  2. Step 2: Convert to fraction form
    1,196,330.82/1,650,878.28 = 712,885.20/x
  3. Step 3: Cross multiply
    1,196,330.82x = 1,650,878.28 × 712,885.20
  4. Step 4: Simplify right side
    1,196,330.82x = 1,176,886,692,813.46
  5. Step 5: Solve for x
    x = 1,176,886,692,813.46/1,196,330.82
  6. Step 6: Final answer
    x = 983,746.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.